Method and apparatus for curtain coating a moving support

Details Method and apparatus for curtain coating a moving support Method and apparatus for curtain coating a moving support

1995-09-27

1997-04-29

Bareford, Katherine A.

Coating processes

Falling curtain of coating material utilized

427294, 118324, 118DIG4, B05D 130, B05C 500

Patent

active

056247150

ABSTRACT:
A method for curtain coating a moving support with a liquid coating material. An evacuating device is utilized to evacuate air carried along with the moving support. A device for carrying out the method includes a pourer having a pourer lip, a pouring roll carrying a support, and an evacuating device which is disposed in front of the curtain. The evacuating device includes an evacuating blade having a front edge facing the curtain. The front edge is provided with a slot which is connected to a vacuum installation. The method and device allow a substantial stabilization of the curtain at its point of contact with the support.

REFERENCES:
patent: 3508947 (1970-04-01), Hughes
patent: 3632374 (1972-01-01), Greiller
patent: 3867901 (1975-02-01), Greiller
patent: 4128667 (1978-12-01), Timson
patent: 4842900 (1989-06-01), Miyamoto
patent: 5206057 (1993-04-01), Finnicum et al.
patent: 5224996 (1993-07-01), Ghys et al.

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